package com.sky.controller.admin;

import com.sky.dto.DishDTO;
import com.sky.dto.DishPageQueryDTO;
import com.sky.entity.Dish;
import com.sky.result.PageResult;
import com.sky.result.Result;
import com.sky.service.DishService;
import com.sky.vo.DishVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.Set;

@RestController
@RequestMapping("/admin/dish")
@Slf4j
@Api(tags = "菜品相关接口")
public class DishController {

    private final DishService dishService;
    private final RedisTemplate redisTemplate;

    public DishController(DishService dishService, RedisTemplate redisTemplate) {
        this.dishService = dishService;
        this.redisTemplate = redisTemplate;
    }
    /**
     * 新增菜品
     * @param dishDTO
     * @return
     */
    @PostMapping
    @ApiOperation(value = "新增菜品")
    public Result save(@RequestBody DishDTO dishDTO){
        log.info("新增菜品信息：{}",dishDTO);
        dishService.saveWithFlavor(dishDTO);

        //清理缓存数据
        String key = "dish_" + dishDTO.getCategoryId();

        cleanCache(key);

        return Result.success();
    }

    /**
     * 菜品分页查询
     * @param dishPageQueryDTO
     * @return
     */
    @GetMapping("/page")
    @ApiOperation(value = "菜品分页查询")
    public Result<PageResult> page(DishPageQueryDTO dishPageQueryDTO){
        log.info("菜品分页查询{}",dishPageQueryDTO);
        PageResult pageResult = dishService.pageQuery(dishPageQueryDTO);
        return Result.success(pageResult);
    }

    /**
     * 菜品的批量删除
     * @param ids
     * @return
     */
    @DeleteMapping
    @ApiOperation(value = "菜品的批量删除")
    public Result delete(@RequestParam List<Long> ids){
        log.info("菜品批量删除：{}",ids);
        dishService.deleteBatch(ids);

        //将所有的菜品缓存删除清理掉，所有dish_开头的key
        cleanCache("*dish_*");

        return Result.success();
    }

    /**
     * 根据id查询菜品
     * @param id
     * @return
     */
    @GetMapping("/{id}")
    @ApiOperation(value = "根据id查询菜品")
    public Result<DishVO> getById(@PathVariable Long id){
        log.info("根据id查询菜品：{}",id);
        DishVO dishVO = dishService.getByIdWithFlavor(id);
        return Result.success(dishVO);
    }

    /**
     * 修改菜品信息
     * @param dishDTO
     * @return
     */
    @PutMapping
    @ApiOperation(value = "修改菜品信息")
    public Result update(@RequestBody DishDTO dishDTO){
        log.info("修改菜品信息：{}",dishDTO);
        dishService.updateWithFlavor(dishDTO);

        //将所有的菜品缓存删除清理掉，所有dish_开头的key
        cleanCache("*dish_*");

        return Result.success();
    }

    /**
     * 修改菜品启用禁用状态
     * @param status
     * @param id
     * @return
     */
    @PostMapping("/status/{status}")
    @ApiOperation("修改菜品启用禁用状态")
    public Result updateStatus(@PathVariable Integer status,@RequestParam Long id){
        log.info("修改菜品启用禁用状态：{} {}",status,id);
        dishService.updateStatus(status,id);

        //将所有的菜品缓存删除清理掉，所有dish_开头的key
        cleanCache("*dish_*");

        return Result.success();
    }

    /**
     * 根据分类id查询菜品
     * @param categoryId
     * @return
     */
    @GetMapping("/list")
    @ApiOperation(value = "根据分类id查询菜品")
    public Result<List<Dish>> list(@RequestParam Long categoryId){
        log.info("根据分类id查询菜品：{}",categoryId);
        List<Dish> dishList = dishService.getById(categoryId);
        return Result.success(dishList);
    }

    /**
     * 清理缓存数据
     * @param pattern
     */
    private void cleanCache(String pattern){
        Set keys = redisTemplate.keys(pattern);
        redisTemplate.delete(keys);
    }
}
